大家可能都想学习arm，这是三星arm7 44b0x得bsp，功能很强大，源码是别人所写，我对其中部分程序做了注释，希望对大家有用。-you may want to study arm, which is Samsung ARM7 44b0x in BSP, functions very powerful, source code is written by others, I do some of these procedures, a footnote to hope it may be u